Which was launched first, the Swedish satellite Odin or the Herschel Space Observatory?
Odin
-1
Section::::Abstract.
Herschel Space Observatory
1172577
-1
Section::::Abstract.
Odin (satellite)
3376745
-1
Section::::Abstract.
Odin (satellite)
3376745
-1
Section::::Abstract.
Odin (satellite)
3376745
-1
Section::::Abstract.
Odin (satellite)
3376745